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/* This file is part of the YAZ toolkit.
* Copyright (C) 1995-2008 Index Data
* See the file LICENSE for details.
*/
/**
* \file cclqual.c
* \brief Implements CCL qualifier utilities
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <yaz/snprintf.h>
#include <yaz/tokenizer.h>
#include "cclp.h"
/** CCL Qualifier */
struct ccl_qualifier {
char *name;
int no_sub;
struct ccl_qualifier **sub;
struct ccl_rpn_attr *attr_list;
struct ccl_qualifier *next;
};
/** Definition of CCL_bibset pointer */
struct ccl_qualifiers {
struct ccl_qualifier *list;
struct ccl_qualifier_special *special;
};
/** CCL Qualifier special */
struct ccl_qualifier_special {
char *name;
const char **values;
struct ccl_qualifier_special *next;
};
static struct ccl_qualifier *ccl_qual_lookup(CCL_bibset b,
const char *n, size_t len)
{
struct ccl_qualifier *q;
for (q = b->list; q; q = q->next)
if (len == strlen(q->name) && !memcmp(q->name, n, len))
break;
return q;
}
void ccl_qual_add_special_ar(CCL_bibset bibset, const char *n,
const char **values)
{
struct ccl_qualifier_special *p;
for (p = bibset->special; p && strcmp(p->name, n); p = p->next)
;
if (p)
{
if (p->values)
{
int i;
for (i = 0; p->values[i]; i++)
xfree((char *) p->values[i]);
xfree((char **)p->values);
}
}
else
{
p = (struct ccl_qualifier_special *) xmalloc(sizeof(*p));
p->name = xstrdup(n);
p->next = bibset->special;
bibset->special = p;
}
p->values = values;
}
void ccl_qual_add_special(CCL_bibset bibset, const char *n, const char *cp)
{
size_t no = 2;
char **vlist = (char **) xmalloc(no * sizeof(*vlist));
yaz_tok_cfg_t yt = yaz_tok_cfg_create();
int t;
size_t i = 0;
yaz_tok_parse_t tp = yaz_tok_parse_buf(yt, cp);
yaz_tok_cfg_destroy(yt);
t = yaz_tok_move(tp);
while (t == YAZ_TOK_STRING)
{
if (i >= no-1)
vlist = (char **) xrealloc(vlist, (no = no * 2) * sizeof(*vlist));
vlist[i++] = xstrdup(yaz_tok_parse_string(tp));
t = yaz_tok_move(tp);
}
vlist[i] = 0;
ccl_qual_add_special_ar(bibset, n, (const char **) vlist);
yaz_tok_parse_destroy(tp);
}
/** \brief adds specifies qualifier aliases
\param b bibset
\param n qualifier name
\param names list of qualifier aliases
*/
void ccl_qual_add_combi(CCL_bibset b, const char *n, const char **names)
{
int i;
struct ccl_qualifier *q;
for (q = b->list; q && strcmp(q->name, n); q = q->next)
;
if (q)
return ;
q = (struct ccl_qualifier *) xmalloc(sizeof(*q));
q->name = xstrdup(n);
q->attr_list = 0;
q->next = b->list;
b->list = q;
for (i = 0; names[i]; i++)
;
q->no_sub = i;
q->sub = (struct ccl_qualifier **)
xmalloc(sizeof(*q->sub) * (1+q->no_sub));
for (i = 0; names[i]; i++)
q->sub[i] = ccl_qual_lookup(b, names[i], strlen(names[i]));
}
/** \brief adds specifies attributes for qualifier
\param b bibset
\param name qualifier name
\param no number of attribute type+value pairs
\param type_ar attributes type of size no
\param value_ar attribute value of size no
\param svalue_ar attribute string values ([i] only used if != NULL)
\param attsets attribute sets of size no
*/
void ccl_qual_add_set(CCL_bibset b, const char *name, int no,
int *type_ar, int *value_ar, char **svalue_ar,
char **attsets)
{
struct ccl_qualifier *q;
struct ccl_rpn_attr **attrp;
ccl_assert(b);
for (q = b->list; q; q = q->next)
if (!strcmp(name, q->name))
break;
if (!q)
{
q = (struct ccl_qualifier *)xmalloc(sizeof(*q));
ccl_assert(q);
q->next = b->list;
b->list = q;
q->name = xstrdup(name);
q->attr_list = 0;
q->no_sub = 0;
q->sub = 0;
}
attrp = &q->attr_list;
while (*attrp)
attrp = &(*attrp)->next;
while (--no >= 0)
{
struct ccl_rpn_attr *attr;
attr = (struct ccl_rpn_attr *)xmalloc(sizeof(*attr));
ccl_assert(attr);
attr->set = *attsets++;
attr->type = *type_ar++;
if (*svalue_ar)
{
attr->kind = CCL_RPN_ATTR_STRING;
attr->value.str = *svalue_ar;
}
else
{
attr->kind = CCL_RPN_ATTR_NUMERIC;
attr->value.numeric = *value_ar;
}
svalue_ar++;
value_ar++;
*attrp = attr;
attrp = &attr->next;
}
*attrp = NULL;
}
/** \brief creates Bibset
\returns bibset
*/
CCL_bibset ccl_qual_mk(void)
{
CCL_bibset b = (CCL_bibset)xmalloc(sizeof(*b));
ccl_assert(b);
b->list = NULL;
b->special = NULL;
return b;
}
/** \brief destroys Bibset
\param b pointer to Bibset
*b will be set to NULL.
*/
void ccl_qual_rm(CCL_bibset *b)
{
struct ccl_qualifier *q, *q1;
struct ccl_qualifier_special *sp, *sp1;
if (!*b)
return;
for (q = (*b)->list; q; q = q1)
{
struct ccl_rpn_attr *attr, *attr1;
for (attr = q->attr_list; attr; attr = attr1)
{
attr1 = attr->next;
if (attr->set)
xfree(attr->set);
if (attr->kind == CCL_RPN_ATTR_STRING)
xfree(attr->value.str);
xfree(attr);
}
q1 = q->next;
xfree(q->name);
if (q->sub)
xfree(q->sub);
xfree(q);
}
for (sp = (*b)->special; sp; sp = sp1)
{
sp1 = sp->next;
xfree(sp->name);
if (sp->values)
{
int i;
for (i = 0; sp->values[i]; i++)
xfree((char*) sp->values[i]);
xfree((char **)sp->values);
}
xfree(sp);
}
xfree(*b);
*b = NULL;
}
ccl_qualifier_t ccl_qual_search(CCL_parser cclp, const char *name,
size_t name_len, int seq)
{
struct ccl_qualifier *q = 0;
const char **aliases;
int case_sensitive = cclp->ccl_case_sensitive;
ccl_assert(cclp);
if (!cclp->bibset)
return 0;
aliases = ccl_qual_search_special(cclp->bibset, "case");
if (aliases)
case_sensitive = atoi(aliases[0]);
for (q = cclp->bibset->list; q; q = q->next)
if (strlen(q->name) == name_len)
{
if (case_sensitive)
{
if (!memcmp(name, q->name, name_len))
break;
}
else
{
if (!ccl_memicmp(name, q->name, name_len))
break;
}
}
if (q)
{
if (q->no_sub)
{
if (seq < q->no_sub)
q = q->sub[seq];
else
q = 0;
}
else if (seq)
q = 0;
}
return q;
}
struct ccl_rpn_attr *ccl_qual_get_attr(ccl_qualifier_t q)
{
return q->attr_list;
}
const char *ccl_qual_get_name(ccl_qualifier_t q)
{
return q->name;
}
const char **ccl_qual_search_special(CCL_bibset b, const char *name)
{
struct ccl_qualifier_special *q;
if (!b)
return 0;
for (q = b->special; q && strcmp(q->name, name); q = q->next)
;
if (q)
return q->values;
return 0;
}
int ccl_search_stop(CCL_bibset bibset, const char *qname,
const char *src_str, size_t src_len)
{
const char **slist = 0;
if (qname)
{
char qname_buf[80];
yaz_snprintf(qname_buf, sizeof(qname_buf)-1, "stop.%s",
qname);
slist = ccl_qual_search_special(bibset, qname_buf);
}
if (!slist)
slist = ccl_qual_search_special(bibset, "stop.*");
if (slist)
{
int i;
for (i = 0; slist[i]; i++)
if (src_len == strlen(slist[i])
&& ccl_memicmp(slist[i], src_str, src_len) == 0)
return 1;
}
return 0;
}
/*
* Local variables:
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
*/
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